Question

If the length of diagonal of a square is 8cm,find the length of the side of the square

Answer 1

8 square =64

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Answer 2

in ∆ABC,

AC= 8cm

AB=BC=a

so , AC= √(AB²+BC²)

=√(a² + a²)

=√2a²

=a√2

a√2=8

a=8/√2